<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use app\admin\model\Specification;
/**
 * 商品
 *
 * @icon fa fa-circle-o
 */
class Goods extends Backend
{

    /**
     * Goods模型对象
     * @var \app\admin\model\Goods
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Goods;

    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            $specs=Specification::select();
            foreach($specs as $key=>&$val){
                $val["attrs"]= Db::name("specification_attr")->where("spec_id",$val["id"])->select();
            }
            $this->assign("specs",$specs);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');

        if(!isset($params["specification"])){
            $this->error("至少添加一个规格");
        }
        $specification=$params["specification"];
        if(!$specification){
            $this->error("至少添加一个规格");
        }
        foreach($specification as $key=>$val){
            $errorMessage="规格".$val["name"]."至少添加一个属性";
            if(!isset($val["attrs"])){
                $this->error($errorMessage);
            }
            $attrs=$val["attrs"];
            if(!$attrs){
                $this->error($errorMessage);
            }
            foreach ($attrs as $skey=>$sval){
                if(!$sval["name"]){
                    $errorMessage="规格".$val["name"]."第".($skey+1)."个属性存在属性名为空";
                    $this->error($errorMessage);
                }
            }
        }
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            foreach($specification as $key=>$val){
                $attrs=$val["attrs"];
                foreach ($attrs as $skey=>$sval){
                    $insert["good_id"]=$this->model->id;
                    $insert["name"]=$sval["name"];
                    //价格
                    $price=$sval["price"];
                    if(!$price){
                        $price=0;
                    }
                    if(!is_numeric($price)){
                        $price=0;
                    }
                    $insert["price"]=$price;
                    $insert["specification_id"]=$val["id"];
                    //是否库存
                    $is_stock=$sval["is_stock"];
                    if(!$is_stock){
                        $is_stock=0;
                    }
                    if(!is_numeric($is_stock)){
                        $is_stock=0;
                    }
                    $insert["is_stock"]=$is_stock;
                    //库存
                    $stock=$sval["stock"];
                    if(!$stock){
                        $stock=0;
                    }
                    if(!is_numeric($stock)){
                        $stock=0;
                    }

                    $insert["stock"]=$stock;
                    Db::name("fruittea_goods_specification")->insert($insert);
                }

            }
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            $specs=Specification::select();
            foreach($specs as $key=>&$val){
                $val["attrs"]= Db::name("specification_attr")->where("spec_id",$val["id"])->select();
            }
            $this->assign("specs",$specs);
            $specification_id_list=Db::name("fruittea_goods_specification")
                ->where("good_id",$ids)
                ->group("specification_id")
                ->column("specification_id");
            $specificationGroupList=[];
            foreach($specification_id_list as $key=>$val){
                $specification=Db::name("specification")->where("id",$val)->find();
                $attrs=Db::name("fruittea_goods_specification")
                    ->where("good_id",$ids)
                    ->where("specification_id",$val)
                    ->select();
                $specification["attrs"]=$attrs;
                $specificationGroupList[]=$specification;
            }
            $this->assign("specificationGroupList",$specificationGroupList);

            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if(!isset($params["specification"])){
            $this->error("至少添加一个规格");
        }
        $specification=$params["specification"];
        if(!$specification){
            $this->error("至少添加一个规格");
        }
        foreach($specification as $key=>$val){
            $errorMessage="规格".$val["name"]."至少添加一个属性";
            if(!isset($val["attrs"])){
                $this->error($errorMessage);
            }
            $attrs=$val["attrs"];
            if(!$attrs){
                $this->error($errorMessage);
            }
            foreach ($attrs as $skey=>$sval){
                if(!$sval["name"]){
                    $errorMessage="规格".$val["name"]."第".($skey+1)."个属性存在属性名为空";
                    $this->error($errorMessage);
                }
            }
        }
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $result = $row->allowField(true)->save($params);
            Db::name("fruittea_goods_specification")->where("good_id",$ids)->delete();
            foreach($specification as $key=>$val){
                $attrs=$val["attrs"];
                foreach ($attrs as $skey=>$sval){
                    $insert["good_id"]=$ids;
                    $insert["name"]=$sval["name"];
                    //价格
                    $price=$sval["price"];
                    if(!$price){
                        $price=0;
                    }
                    if(!is_numeric($price)){
                        $price=0;
                    }
                    $insert["price"]=$price;
                    $insert["specification_id"]=$val["id"];
                    //是否库存
                    $is_stock=$sval["is_stock"];
                    if(!$is_stock){
                        $is_stock=0;
                    }
                    if(!is_numeric($is_stock)){
                        $is_stock=0;
                    }
                    $insert["is_stock"]=$is_stock;
                    //库存
                    $stock=$sval["stock"];
                    if(!$stock){
                        $stock=0;
                    }
                    if(!is_numeric($stock)){
                        $stock=0;
                    }

                    $insert["stock"]=$stock;
                    Db::name("fruittea_goods_specification")->insert($insert);
                }

            }
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }

}
